However, if you have done your research and are happy to proceed, this guide will help you to recognise some of the problems that can occur during and after whelping. Week one (days 0-7) When your dog has mated during her heat cycle, fertilization can occur within a few days. Continue normal exercise and nutrition. Your dog does not need to take in extra calories until the final third of the pregnancy (after about 40 days). Look for these dog pregnancy symptoms week by week. Late in pregnancy, many dogs will exhibit nesting behavior. Decreased Activity. Week Two (Days 8-14) DEVELOPMENT OF THE PUPPIES + Embryo will be 4 cell at start of week and 64 cell by end of week + Embryo enters the uterus CHANGES IN THE BITCH + Possible morning sickness (can also come in week 5) CARE OF THE BITCH + Continue as with Week One TO DO LIST + Nothing special this week . YOUR DOG’S PREGNANCY WEEK BY WEEK. If you suspect that your dog … For dogs that already enjoy snoozing all day, it may be harder to notice a decrease in energy. If you know when your dog was bred, use this dog gestation calculator to estimate when your pet is due. Dog pregnancy can generally be expected to last between eight and nine weeks. Four to five weeks into pregnancy, a clear mucus vaginal discharge may be noticed. Your dog may show early signs of pregnancy in her behavior. For example, around weeks three and four of gestation, a pregnant dog may experience a few days of morning sickness and vomiting. You may notice that your dog is gaining weight and that her mammary glands are becoming more prominent. The vulva will remain swollen. A miscarriage may go undiagnosed if the owner does not realize that the dog was pregnant. Pregnant female dogs absolutely do suffer from morning sickness like people do, however not until approximately day 21 after being mated. Modified Nipples. The exact number of days during which the dog can get pregnant may vary and can be established by the vet, but it is typically between 2 and 5 days. Your veterinarian won’t be able to confirm the pregnancy until around day 25, however if she has fallen pregnant, she may show some signs of morning sickness. If the dog is fertilized, the heat cycle will stop and will not last 3 to 4 weeks, as usual. In the first few weeks, you may not notice any changes in your dog's behavior. Here are 5 signs to watch for: 1. The approximate expected time of a dog's pregnancy is 63 days, although puppy gestation can vary by several days. This will continue until your dog gives birth. During the first two weeks after mating, your dog won't be showing any symptoms of pregnancy. She may not have much of an appetite or will eat smaller meals throughout the day instead of larger portions. Check on your bitch every 15 minutes or so to make sure everything is going smoothly, taking care not to show her if you are worried. If your dog easily becomes exhausted or is spending more time napping, it may indicate that she is pregnant. Her appetite should remain normal. In a healthy, fit bitch, her body silhouette may not show obvious changes until 50-55 days of pregnancy, when the womb is sufficiently enlarged to fill the tummy. Breeding from your female dog is not a decision that should be taken lightly. Some dogs will seem more tired, some may vomit, and some and may eat less. At 28 - 30 days into the suspected dog pregnancy, your veterinarian can perform a blood test to determine if your dog is indeed pregnant. For dogs that are typically energetic, this decrease should be taken seriously. A dog may not show any signs of pregnancy in the first 2-3 weeks (which is the first third of the pregnancy). This is especially true at the start of the pregnancy, when the bitch is more likely to reabsorb the prenatal tissue and to show no sign of her condition. If the dog has intercourse during these days, she will get pregnant. At the two week mark, her nipples will start to enlarge, and the embryos will implant on the wall of the uterus, explains the Continental Kennel Club. It is a time-consuming, messy, expensive, and sometimes heart-breaking enterprise. Dog Pregnancy Signs.